Diagram: rebase interactive edit: allow diagram to be useful when embedded
Diagram: rebase interactive edit: allow diagram to be useful when embedded

- start animation on click
- alter viewbox to fit whole diagram
- unique ID for animation (across entire slideshow)
- remove unused transition / animations
- move anim into group for commit2 object

gitforteams/rebasing-workflow,emmajane/rebasing-workflow,emmajane/rebasing-workflow,gitforteams/rebasing-workflow